1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
using Gee;
using Qlite;
using Dino.Entities;
namespace Dino {
public class MessageStorage : StreamInteractionModule, Object {
public static ModuleIdentity<MessageStorage> IDENTITY = new ModuleIdentity<MessageStorage>("message_cache");
public string id { get { return IDENTITY.id; } }
private StreamInteractor stream_interactor;
private Database db;
private HashMap<Conversation, Gee.TreeSet<Message>> messages = new HashMap<Conversation, Gee.TreeSet<Message>>(Conversation.hash_func, Conversation.equals_func);
public static void start(StreamInteractor stream_interactor, Database db) {
MessageStorage m = new MessageStorage(stream_interactor, db);
stream_interactor.add_module(m);
}
private MessageStorage(StreamInteractor stream_interactor, Database db) {
this.stream_interactor = stream_interactor;
this.db = db;
}
public void add_message(Message message, Conversation conversation) {
message.persist(db);
init_conversation(conversation);
messages[conversation].add(message);
}
public Gee.List<Message> get_messages(Conversation conversation, int count = 50) {
init_conversation(conversation);
Gee.List<Message> ret = new ArrayList<Message>(Message.equals_func);
BidirIterator<Message> iter = messages[conversation].bidir_iterator();
iter.last();
if (messages[conversation].size > 0) {
do {
ret.insert(0, iter.get());
iter.previous();
} while (iter.has_previous() && ret.size < count);
}
return ret;
}
public Message? get_last_message(Conversation conversation) {
init_conversation(conversation);
if (messages[conversation].size > 0) {
return messages[conversation].last();
}
return null;
}
public Gee.List<MessageItem> get_messages_before_message(Conversation? conversation, DateTime before, int id, int count = 20) {
// SortedSet<Message>? before = messages[conversation].head_set(message);
// if (before != null && before.size >= count) {
// Gee.List<Message> ret = new ArrayList<Message>(Message.equals_func);
// Iterator<Message> iter = before.iterator();
// iter.next();
// for (int from_index = before.size - count; iter.has_next() && from_index > 0; from_index--) iter.next();
// while(iter.has_next()) {
// Message m = iter.get();
// ret.add(m);
// iter.next();
// }
// return ret;
// } else {
Gee.List<Message> db_messages = db.get_messages(conversation.counterpart, conversation.account, Util.get_message_type_for_conversation(conversation), count, before, null, id);
Gee.List<MessageItem> ret = new ArrayList<MessageItem>();
foreach (Message message in db_messages) {
ret.add(new MessageItem(message, conversation, -1));
}
return ret;
// }
}
public Gee.List<MessageItem> get_messages_after_message(Conversation? conversation, DateTime after, int id, int count = 20) {
Gee.List<Message> db_messages = db.get_messages(conversation.counterpart, conversation.account, Util.get_message_type_for_conversation(conversation), count, null, after, id);
Gee.List<MessageItem> ret = new ArrayList<MessageItem>();
foreach (Message message in db_messages) {
ret.add(new MessageItem(message, conversation, -1));
}
return ret;
}
public Message? get_message_by_id(int id, Conversation conversation) {
init_conversation(conversation);
foreach (Message message in messages[conversation]) {
if (message.id == id) return message;
}
return null;
}
public Message? get_message_by_stanza_id(string stanza_id, Conversation conversation) {
init_conversation(conversation);
foreach (Message message in messages[conversation]) {
if (message.stanza_id == stanza_id) return message;
}
return null;
}
public Conversation? get_conversation_for_stanza_id(Account account, string stanza_id) {
foreach (Conversation conversation in messages.keys) {
if (!conversation.account.equals(account)) continue;
foreach (Message message in messages[conversation]) {
if (message.stanza_id == stanza_id) return conversation;
}
}
return null;
}
private void init_conversation(Conversation conversation) {
if (!messages.has_key(conversation)) {
messages[conversation] = new Gee.TreeSet<Message>((a, b) => {
int res = a.local_time.compare(b.local_time);
if (res == 0) {
res = a.time.compare(b.time);
}
if (res == 0) {
res = a.id - b.id > 0 ? 1 : -1;
}
return res;
});
Gee.List<Message> db_messages = db.get_messages(conversation.counterpart, conversation.account, Util.get_message_type_for_conversation(conversation), 50, null, null, -1);
messages[conversation].add_all(db_messages);
}
}
}
}
|
